Mold.



W. J. BOYD, SB..

MOLD. APPLICATION PILBUMAR. 1s 1912.

Patented Nov. 5, 1912.

z sHBETssHEET 1.

HWEA'TUR lW. J. BOYD, SR.

4 MOLD.

ArPLIvoATIoN FILED MAR. 1e, m2. 1,043,665, Patented Nov. 5,1912E y 2 SHEETS-SHEET z.

To all tbifittt may convent.- g Bei known that I, WILLIAM J. BOYD, Sr.,

,ai citize'noftheUnted States, anda resident of McLean sboro,in the county of Hamilton y and JStateoi" Ivilinois, have invented a new.

y' andr Improved .Mold,` of which the following isa full, 'cle'arhii-nd exact description.

'My'invention relates tomolds, and it hasy for its object to provide one hav-ing a frame `with twosprocket Wheels, one journaled at each end, with sprocket chains disposed around theA sprocket wheels, andl connected ivitli' u'lcrum members mounted to slide on the'framefso that when one, of the sprocket wheels is vrotated the fulcrum members will be moved relativelyv Atothe frame, and the p, arms which vare pivotallyjccnnected with the fulcru'm m'embermand with the ,side mem# position.

bers of the mold Willi be' moved to push the side members` of the mold'into the desired VAdditional `oli-)jects .of theV invention will appear in thelfollowing vcomplete specification, Which'the preferred formof the inlvention isf disclosed.

y' In the drawings similar characters vo1 ret erence indicate `corresponding parts mall the views, 1n4vvh1ch Figure 1 is'fasect-ional viewr on the line of Fig. 4; Fig; 2 is a view'showing thek frame member vEig. `3' is .a View :showing vone of the link member'sconnectmg the sprocket chains; Figt" isan end view of'Fig. 1; Fig.

5' is anlenlargedview showing one end of the vframe' member with "the bea-ring` members secured thereto and the p aWl and ratchet in' position;Fig. 6 is4v -a'fsectional view on the .line ,'6-6 of 5; Fig. 7is an venlarged 'View showing one of the fulcrum members;

andLFg 8 isffan enlarged View showing one Vvof the ring'sivhich are seated in .the shouldersin 4the fulcrum members,y Vvand to'vvhich thearms arepivoted.

By'referringto thedr'awingsit will be seen thatthe ``frame `5. extends longitudinally ofthe mold, -a"`U'-shaped bearing/member 6 "being disposed atH eachfe'nd ofthe l frz'tnpie 'lme'mber15, the sides7 ofithe- U-shaped bearbearingsin the `otltier f t'ing memberbeing disposedagainst'and being secured to the sides of the frame member' 5.. stud 8 is journaled in ,the bearing intone 'fof theU-shaped bearing members 6, and disf posed between thesides 7 of the .said bearing -members 'thre is mounted on,4V the stud a specification' of Letters Patent." '1 .appagante sied March 16, 1.9.12. seriar no; 654.148.

sprocket Whe'elfS. A -stud 10 isgj'ournaled inr Uv-shaped n bearmg "Me-rim. sinolto.

Patented Nov.- 5,151.2.

member 6, and secured tothe said studand dlsposed 'between'the sides, 7 0i the said:-

wheel 11, the said-sprocket -yvheel -11 being` mounted von and secured-to the -stud 10. Th1s stud 10 projects beyond the side of they: I

' Ushaped bearing member there is a. sprocket .U-shaped bearing member 6, at veachside, and' at the outer side of one of the said sides 7 of the U-shaped bearin member 6 there is mounted on andl secure to the stud. 10v 'a ratchetwheel 12. A pawl. 13 is pivoted at ingI` member 6, the pawl A'13 engaging the ratchet Wheel 12 in the customary 4 vanner.

A'x sprocket chainlei. is disposedar'ound the one of the sides 7 of the said U-shal'iedl bearsprocket Whee1'9, and a sprocketchain 15 is disposed around the sprocket Wheel l11, the

Iterminals of these sprocket chains 14' and 15 being secured together by links 16 and17. Mounted to slide on. the-frame member 5,

' there are four fulcrum members 18, 18318 in each of the fulcrum members 18 an annular shoulder 124, disposed. at their peri heries, theseshoul'ders 24 being each provi ed to receive one of the rings 25. n In the construction shown in the drawings LI provide four of these fulcrum members which I designate Aas'18', 18", 18"v and 18,

The fulcrum member 18 has a shoulder 24, at the right side, with the rin 25c disposed therein, and' through the ori ces 26 in the arms 2 7,"th'esearms 27 being-in this wayy ypivotallyconnected with 'the fulcrum mem' ber-18. The-arms 27 4extend Aoutwardly and I to the right, with. theirv outer .terminals 28 `pivoted to. the lugs 29,- which extend inwardly vfrom.l the side lmembers 30. This e fulcrum member-18 is 'securedto the sprocket chain 15,. attfhapoint '15? where it is con'- nected with the link 17'. The fulcrum mem# berlS" has its shou1der24'made on- -its left der, ,the -ring 25 v` exten ing through the orifices 31,111 theflinks 32, these links 32. exi' tendingA vnl itwardlyand .to Vthe left, where their outer terminals 33 .are pivoted to 'the "lof lthe side'members 30. The fulcrum member 1811' is securedto \tlie, link-,16, byaa bolt -f ,z -,ap e5. wrh 'fiilcrum member '1sLIA has' its shoulder 24` made in .its right side, andrest- 'ingin this shoulder 24 there is the ringf 25a, whichvis; disposed'through .the orifices 36 in fthe links- 37, theselinks 37 extendinguoutvWardlyand towardthel right, Where their vouterterminals are piv'otedto the lugs 34. -This fulcr'nin member`18is secured to the 1- li-nk 17, by abolt at, the"point 38'." The ful- 'crum member 1 8 has its" shoulderA 24 made in'its left'side, andresting in this shoulder ,15 'there is th`e usual ring 25, which is disposedy through thev oriiicesx39 in the links 40, the

links 40 extendingxoutwardly 4and to the left, with their outer terminals 141, 'secured to' the i "inner sides of' the' side members lThis 'fulc'rum member'18 is secured tothe sprocket chain 14, by a bolt 42, at thepointwhere the said ,sprocket .chain` isl secured to the link 167.* The inner terminals of all these arms 2 7', 32,' 37'and 4Q arefdisposed in the radially 25. disposed slots 22,'ofthe fulcrum-members.

As will beseen byreferring to Fig,'4 of the drawings' the kkside members 30 are curved, andhave their sides 43 'overlapping' neighboring sides, vand free to move relatively to 39j the said neighboring sides-, vThe stud 10 has an end 44, projecting beyond a side member p 7 Aof V one of the IJ-shaped bearing members 6, this end being angular in cross section, so thatn it mayb'eengaged by a Wrench or simi- ,35 laliinstrument l ",v-,Inl'using the invention the. side members,

@30 may fbemovedjoutwardly 'or inwardly i r relatively to veach other by turning the stud 10 by'means of the .wrench45, which env 4e 'gages' theend 44 oi the said stud. When this stud is turned, it rotates the sprocket wheel 1-1 relatively to the bearingmember 6, ,andthe frame member 5, and as the sprocket wheel 11 rotates. it moves the sprocket chain 15 ,relatively to vthe frame member 5,. and

with it the links 16'and17, and the sprocket "chain 14.` As the sprocket chains 14" and 15, and the links 16 aand f17 move, ythey will '.,v'cie'rry Vwith them=-the fulcrum members 18, "-18,.18".and 18., These fulcrummembers y'are sofl secured `to fthe sprocket chains and '1 `lin ks,that whenfthe linkV 16 moves to the left, in Figfl of the drawings, 'it will carry to the left the ulcrum-.member 18", and the '3515 fulcrum-member 18While thel link 17 will carry tothe right the fulcrum member 18a and the'ful'crum member 18. It will be seen A that in thisfwaythe`-links 27, 32,- 37, and/40 will Abe movedftogether, --and with them the' 60' side members`30,.th'ese lside members 3Q "being moved .in themanner 'described so p i that theywill always be spaced at-.equal i 'i distancestfrbn'the' frame member', whether -t "side f e "bers arefdisposed -to form a It -ivillbe understood that when the fulcrum members are moved to take the pres- ;Sure ,od,.thear1ns the rings 25 lmay be slipped out of'engagement with tl e shoulders 24 and that these rings 25 may e either 70 cut or may be bent so that the side member y30'. maybe conveniently disengaged from the mold. 1

Havingthus described my invention I claim asnew, and desire to secure by Letters Patent.: .Y

1'. In'l a' mold a central frame, a-fulcrum member mounted to slide on the frame and A having radially extending slots, and a shoulder, on one ofits faces, side members, arms ,articulated to the side members and having inner terminalsl with orifices disposed in the slots, and a ring disposed in the orilices and against the shoulder.

2. In a mold a frame, two sprocket wheels spaced apart and journaled in bearings, fulcrum members mounted 'to slide on the frame, side members, arms articulated to Athe side lmembers ,and to the fulcrum members,sprocket chains disposed around the sprocket wheels, means connected to the sprocket chains at one side of the sprocket wheels and secured to certain of the fulcrum members, and means connected to the sprocket chains" at the other side of the sprocket wheels, and secured-to the remaining fulcrumlmembers.

3. In a mold a frame, two sprocket wheels spaced apart and ,journaled in bearings in the frame, two fulcrum members mounted to slide on theframe, side members, arms having terminals articulated to the side members, the arms extending inwardly in one'direction, with'I their other terminals pivoted to one ofthe fulcrum members, additional arms having terminals articulated to the side members, the additional arms extending inwardly and in the opposite direction, with 4their inner terminals articulated to the other t fulcrum members, sprocket chains disposed around. the sprocket wheels, means connected to the ysprocket chains at one side of the `sprocket wheels, and secured to one' of the fulcrum members,l and means connected with the sprocket chains at the other side ofthe. sprocketwheels and secured to the other sprocket members. d

4. In a mold aframe, two sprocket Wheels spaced apart and journaled in bearings, fulcrum members mounted to slide on the frame, side members, arms articulated to the cside members and to the fulcrum members,

\ sprocket chains disposed around the sprocket wheels, means connected to the 'sprocket chains at one side of the sprocket 125 `wheels and secured .to certain of the fulcrum members, meansl connected to the fs'procketrchainsat the-ether side of the sprocket Wheels, and secured to the remain ingl fulcrumhmembersn and. a pawl and 139 ratchet connection between the frame and one of the sprocket Wheels.

5. In a. mold, a frame member, U-shaped `fbearing members having sides disposed at 'each side of the frame member and secured thereto, studs journaled in the bearing e mounted to slide on the frame member, side members, arms pivotall7 connected to the fulcrum members and to the side members, and means ,disposed over the Wheels yand secured to the fulcrum members for operating thelatter. 'l f 6. In .a mold, a frame member, U-shaped bearing members having sides and disposed at the side of the frame member, and being secured thereto, studs journaled in the bearlng members, sprocket Wheels dis osedf'between the sides of the bearing members and mounted on the studs, one of the sprocket Wheels being secured to the stud on which it is mounted, a ratchet Wheel secured to the last-mentioned stud, a 'pawl engaging the ratchet Wheel, and pivoted relatively to the frame member, a fulcrum member having slots, side members, arms having outer ter- A minals .pivoted to the side member, and inner terminals disposed in the slots' and pivoted-,to the fulcrum member, and means disposer over the sprocket Wheels and' secured t the fulcrum member for operating the latter.

In testimony whereof I have signed my name to this specification in the presence of .two subscribing Witnesses.

WILLIAM J. Born, sa

Vitn esses HALLIE Born7 WILLIAM J. BOYD, J r. 

